Lysobacter gilvus sp. nov., isolated from activated sludge,Archives of Microbiology

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Lysobacter gilvus sp. nov., isolated from activated sludge
Archives of Microbiology ( IF 2.3 ) Pub Date : 2020-08-07 , DOI: 10.1007/s00203-020-01943-7
Jianyi Xu ₁ , Mengyao Sheng ₁ , Zhou Yang ₁ , Jiguo Qiu ₁ , Jun Zhang ₂ , Lei Zhang ₃ , Jian He ₁

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Strain HX-5-24 T was isolated from the sludge collected from the outlet of the biochemical treatment facility of an agricultural chemical plant in Maanshan city, Anhui province, PR China (118° 28′ N, 31° 47′ E). Cells were observed to be Gram-reaction-negative, rod-shaped, non-motile and aerobic. Strain HX-5-24 T shared 99.1% 16S rRNA gene sequence similarity with Lysobacter dokdonensis DS-58 T and less than 97% similarities with other type strains. The phylogenetic analysis based on 16S rRNA indicated that strain HX-5-24 T belonged to the genus Lysobacter and formed a subclade with L. dokdonensis DS-58 T . The average nucleotide identity (ANI) and digital DNA–DNA hybridization (dDDH) values between strain HX-5-24 T and L. dokdonensis DS-58 T were 87.5% and 35.3%, respectively. The genomic DNA G + C content of the strain was 66.4%. The major fatty acids (> 5%) were iso-C 15:0 , anteiso-C 15:0 , iso-C 16:0 , C 16:0 and summed feature 9 (iso-C 17:1 ω9c and/or C 16:0 10-methyl). The predominant quinone was ubiquinone Q-8. The polar lipid profile consisted of diphosphatidylglycerol (DPG), phosphatidylethanolamine (PE), phosphatidylglycerol (PG) and phospholipids (PL). On the basis of phenotypic and phylogenetic evidences, strain HX-5-24 T is considered as a novel species in the genus Lysobacter , for which the name Lysobacter gilvus sp. nov. is proposed. The type strain is HX-5-24 T (= KCTC 72470 T = CCTCC AB 2019228 T ).

更新日期：2020-08-07

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